Libya’s Petroleum Facilities Guard restored control over an idled oil field captured on Tuesday by Islamist gunmen who were said to be seeking a source of funds in the politically divided North African country. The assailants took three Philippine workers as hostages in their retreat from al-Mabruk oil field, Ali al-Hasy, a spokesman for the guard, said by phone on Thursday. Of the 15 guards deployed at the site when it came under attack on Feb 3., two survived and 13 are missing, he said. The field, operated by Total SA as part of a joint venture with Libya’s state-run National Oil Corp., stopped pumping crude on Dec. 15 after an Islamist attack shut Es Sider, the country’s largest oil port and the export terminal for al-Mabruk. Libya’s oil production dropped to 300,000 barrels a day last month from a peak in 2013 of 1.4 million barrels, […]